Mario Tennis Open (Europe) (En,Fr,Ge,It,Es,Nl,Po,Ru) (Japanese title: マリオテニスオープン) is a sports game developed by Camelot Software Planning and published by Nintendo for the Nintendo 3DS. It is the fifth installment in the Mario Tennis series and the first to be released on a handheld console. The game features a variety of modes, including singles and doubles tournaments, quick matches and special tournaments. Players can choose from a wide range of characters, each with their own unique stats and abilities, and can customize their own Mii character. The game also features online multiplayer, allowing players to compete against each other from around the world. Mario Tennis Open is a fun and accessible game that can be enjoyed by players of all ages and skill levels.